Home / 28,722.03-43,056.79-12,083.24

Finding the Fourth Proportional to 28,722.03, 43,056.79 and 12,083.24

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Solution

The fourth proportional to 28,722.03, 43,056.79 and 12,083.24 is: 18,113.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,722.03 : 43,056.79 = 12,083.24 : x
  2. Step 2: Convert to fraction form
    28,722.03/43,056.79 = 12,083.24/x
  3. Step 3: Cross multiply
    28,722.03x = 43,056.79 × 12,083.24
  4. Step 4: Simplify right side
    28,722.03x = 520,265,638.62
  5. Step 5: Solve for x
    x = 520,265,638.62/28,722.03
  6. Step 6: Final answer
    x = 18,113.82

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.